Take the Quiz - Timed General Knowledge Challenge | GK Mania

1 What layer of the atmosphere contains the ozone layer?

A) Troposphere

B) Stratosphere

C) Mesosphere

D) Thermosphere

2 What is the molar gas constant R approximately equal to?

A) 6.022 J/(mol·K)

B) 9.807 J/(mol·K)

C) 1.381 J/(mol·K)

D) 8.314 J/(mol·K)

3 What particle orbits the nucleus of an atom?

A) Electron

B) Proton

C) Photon

D) Neutron

4 What type of rock is marble?

A) Sedimentary rock

B) Igneous rock

C) Metamorphic rock

D) Volcanic rock

5 What color is pure copper wire?

A) Silver

B) Gray

C) Black

D) Orange-red

6 What carries electricity in a wire?

A) Electrons

B) Neutrons

C) Photons

D) Protons

7 What law relates voltage, current, and resistance?

A) Hooke's law

B) Ohm's law

C) Gauss's law

D) Boyle's law

8 What is dry ice made from?

A) Solid CO₂

B) Solid nitrogen

C) Frozen water

D) Frozen air

9 What scientist discovered radioactivity?

A) Bohr

B) Curie

C) Becquerel

D) Rutherford

10 Who invented the phonograph (record player)?

A) Thomas Edison

B) Guglielmo Marconi

C) Alexander Graham Bell

D) Nikola Tesla

11 What is the work-energy theorem?

A) net work done on an object equals its

B) Work equals force times time

C) Energy is always potential

D) Power equals work divided by distance

12 Who invented the telegraph?

A) Alexander Graham Bell

B) Benjamin Franklin

C) Samuel Morse

D) Thomas Edison

13 Who discovered electromagnetic induction?

A) James Clerk Maxwell

B) Michael Faraday

C) Nikola Tesla

D) Thomas Edison

14 What is the Stefan-Boltzmann law?

A) Total energy radiated per unit area of a

B) Energy equals mass times c squared

C) Force equals mass times acceleration

D) Pressure equals force per area

15 What is the valence shell?

A) The innermost shell

B) The nucleus

C) A type of bond

D) outermost electron

Quiz